Quantum Space and Time - The Quest Continues - Barut

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Part I. Papers Dedicated to Louis de Broglie: 1. Louis de Broglie - physicist and thinker; 2. The evolution of the ideas of Louis de Broglie on the interpretation of wave mechanics; 3. Editorial postscript to 'The evolution of the ideas of Louis de Broglie on the interpretation of wave mechanics'; 4. Reminiscences on my early association with Louis de Broglie; 5. A critical note on the greatest days of quantum theory; 6. On the contribution of Louis de Broglie to the quantum theory of measurement; 7. On the impossible pilot wave; 8. The de Broglie pilot wave theory and the further development of new insights arising out of it; 9. Does quantum mechanics accept a stochastic support?; 10. Survey of a quark model; 11. De Broglie's wave-particle duality in the stochastic interpretation of quantum mechanics: as testable assumption; 12. Elucidation of the probabilistic nature of quantum mechanics and definition of a compatible joint probability; 13. On the direct observability of quantum waves; 14. Quantum theory and Einstein's general relativity; Part II. Papers dedicated to Eugene Paul Wigner: 15. To Eugene Paul Wigner on his eightieth birthday; 16. On conservation of parity and time reversal and composite models of particles; 17. The 'Sommerfeld puzzle' revisited and resolved; 18. An approach to measurement; 19. Angular-momentum theory and projective geometry; 20. The Wigner phase-space description of collision processes; 21. Accidental degeneracies and symmetry groups; 22. The Wigner distribution function - 50th birthday; 23. Invariance identities associated with finite gauge transformations and the uniqueness of the equations of motion of a particle in a classical gauge field; 24. Muonic atoms testing the electron propagator of quantum electrodynamics and the Higgs boson contribution; 25. Physics and geometry; 26. Galilei invariance, action-reaction principle and centre of mass theorem; 27. The geometrostatic lattice cell; 28. Branching rules and replicating representations; 29. Some double-valued representations of the linear groups; Part III. Papers Dedicated to Paul Adrien Maurice Dirac: 30. Paul Dirac on his eightieth birthday; 31. Nonperturbative quantum electrodynamics: the Lamb shift; 32. Magnetic monopoles: evidence since the Dirac conjecture; 33. Bootstrapping the photon; 34. Visible and invisible in physical theory; 35. Dirac's aether in relativistic quantum mechanics; 36. A Dirac algebraic approach to supersymmetry; 37. Manifestations of group convariance in metric theory; 38. Cosmologies with variable gravitational constant; 39. Spinors and torsion in general relativity; 40. A modified large-number theory with constant G; 41. Is physics at the threshold of a new stage of evolution?; 42. The biometric Weyl?Dirac theory and the gravitational constant; 43. Electromagnetic mass revisited; 44. Forms of relativistic dynamics with world line condition and separability; 45. New avenues in supersymmetry and supergravity; 46. On the equivalence of adiabatic invariance and the KMS condition; Author index; Subject index.